• 
  Leslie Nielsen

  Lt. Price Adams
• 
  James Doohan

  Dr. Lennon
• 
  James Arthur

  Dimitri
• 
  John Beradino

  Sgt. Vince Cavelli
• 
  John Clarke

  Off. Joe Huddleston
• 
  Herbert Ellis

  Lt. Birdsall (as Herb Ellis)
• 
  Herbie Faye

  Mike Stark
• 
  Art Gilmore

  Narrator (voice)

• 
  Sandra Gould

  Winnie
• 
  Betsy Jones-Moreland

  Claire Arnet
• 
  Judi Meredith

  Florence Charron
• 
  Paula Raymond

  Andrea Beauvoir
• 
  Dolores Quinton

  Nurse
• 
  Greg Roman

  Off. Pete Garcia
• 
  Olan Soule

  Lab Technician